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Coming to a soft stop with auto hold enabled

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Old Oct 24th, 2020, 10:48   #1
cagz
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Default Coming to a soft stop with auto hold enabled

New to the forum, hope you are well and keeping safe.

Test driving an 2019 XC40. When Auto Breaking (Auto Hold) is enabled I cannot bring the car to a soft stop. However soft I press the break pedal I end up with a shaky stop where everyones heads go forward and back making it especially annoying when in a congestion.

I feels as if, just a fraction of a second before the car comes to a complete stop, auto breaking engages and completes the last bit of breaking a bit too quickly. Resulting in a shaky stop

This is doesn't seem to happen if I disable auto-breaking but then I don't get auto-hold on an uphill road.

Been driving only for a day so it can be my muscle memory but wife felt the same issue as well hence I wanted to check with you guys.

Has anyone experienced something similar ? Could it be a setting that needs adjusting (breaking under individual profile is set to Normal, instead of Dynamic, which I think the default). Could this be a fault ?
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Old Oct 24th, 2020, 11:10   #2
RonFleet
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Originally Posted by cagz View Post
New to the forum, hope you are well and keeping safe.

Test driving an 2019 XC40. When Auto Breaking (Auto Hold) is enabled I cannot bring the car to a soft stop. However soft I press the break pedal I end up with a shaky stop where everyones heads go forward and back making it especially annoying when in a congestion.

I feels as if, just a fraction of a second before the car comes to a complete stop, auto breaking engages and completes the last bit of breaking a bit too quickly. Resulting in a shaky stop

This is doesn't seem to happen if I disable auto-breaking but then I don't get auto-hold on an uphill road.

Been driving only for a day so it can be my muscle memory but wife felt the same issue as well hence I wanted to check with you guys.

Has anyone experienced something similar ? Could it be a setting that needs adjusting (breaking under individual profile is set to Normal, instead of Dynamic, which I think the default). Could this be a fault ?
I have had a MY20 XC40 for a couple of months now and don't use the auto parking brake function as it's a real pain when manoeuvring - very jerky. I also switch off engine start/stop because you have to keep your foot on the brake to keep it stopped. I also switch off collision prevention as it is too sensitive. Why do manufacturers think we want all this technology?

Grumpy old man of Fleet
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Old Oct 24th, 2020, 12:52   #3
Cull06
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I found it jerky too. Turned it off. Wasn’t keen on it anyway.
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Old Oct 27th, 2020, 16:26   #4
Boatie
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Originally Posted by RonFleet View Post
I have had a MY20 XC40 for a couple of months now and don't use the auto parking brake function as it's a real pain when manoeuvring - very jerky. I also switch off engine start/stop because you have to keep your foot on the brake to keep it stopped. I also switch off collision prevention as it is too sensitive. Why do manufacturers think we want all this technology?

Grumpy old man of Fleet
I'm on my second V90 and the autopark function has been extremely smooth on both. The technology can't be that different. The collision warning can be adjusted for sensitivity. Don't worry too much about the stop /start it will soon stop working as the battery 'ages'. (mine is 9 months old) Fighting Volvo to replace the battery is an uphill struggle.
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